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path: root/drivers/net/bonding/bond_options.c
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Diffstat (limited to 'drivers/net/bonding/bond_options.c')
-rw-r--r--drivers/net/bonding/bond_options.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c
index 8ae42d36f11f..ae94b847ffcc 100644
--- a/drivers/net/bonding/bond_options.c
+++ b/drivers/net/bonding/bond_options.c
@@ -187,3 +187,32 @@ int bond_option_miimon_set(struct bonding *bond, int miimon)
}
return 0;
}
+
+int bond_option_updelay_set(struct bonding *bond, int updelay)
+{
+ if (!(bond->params.miimon)) {
+ pr_err("%s: Unable to set up delay as MII monitoring is disabled\n",
+ bond->dev->name);
+ return -EPERM;
+ }
+
+ if (updelay < 0) {
+ pr_err("%s: Invalid up delay value %d not in range %d-%d; rejected.\n",
+ bond->dev->name, updelay, 0, INT_MAX);
+ return -EINVAL;
+ } else {
+ if ((updelay % bond->params.miimon) != 0) {
+ pr_warn("%s: Warning: up delay (%d) is not a multiple of miimon (%d), updelay rounded to %d ms\n",
+ bond->dev->name, updelay,
+ bond->params.miimon,
+ (updelay / bond->params.miimon) *
+ bond->params.miimon);
+ }
+ bond->params.updelay = updelay / bond->params.miimon;
+ pr_info("%s: Setting up delay to %d.\n",
+ bond->dev->name,
+ bond->params.updelay * bond->params.miimon);
+ }
+
+ return 0;
+}